Inking means for printing machines



Aug. '14, ma:

1,680,559 F. W. MANTON INKING MEANS FOR PRINTING MACHINES 2 Sheets-Sheet l Filed July '7, 1927 Patented Aug. 14, 1928.

UNITED STATES FRANK WILLIAM MANTON, OF TORONTO, ONTARIO, CANADA.

INKING MEANS FOR PRINTING V/IAGIEIINIEIS.

Application led July 7,

This invention relates to inking means for printing machines, as described in the present specification and illustrated in the accompanying drawings which form part of lthe same.

The invention consists essentially of the novel features pointed out broadly and specifically in the claims for novelty fol lowing a. description containing an explanation in detail ofan acceptable form of the invention.

The objects of the invention are to provide efficient means of stopping the rotation of the ductor roller after applying ink to the inking plate of the printing machine; to control the rotation of the ductor roller so that the whole of its peripheryor surface will have eng'aged the fountain roller at equal intervals, or in other words, the ductor roller will receive successive stripes of inlrY from the fountain roller causing the whole surface of said ductor roller to come into contact with said fountain roller at determined equal intervals; to provide a vibrator roller with the fountain roller ductor; to have means of releasably locking a vibrator roller in a spaced position from its corresponding ductor; and generally, to obtain a better and more uniformdistribution ofv ink upon the inking plate.`

In the drawings, Figurel is a fragmentary front elevation of a printing press` having inking means built in accordance with this invention.

Figure 2 is a side view of Figure 1.

Figure .3 is a enlargedfragmentary side view of one of the ductorroller rocker arms.

Figure 4 is an elevation View showing an assembly .of various parts of the vibrator roller controlling means.

Figure 5 is a part elevation and part section view of the threaded end of the vibrator roller and its bearing.

Figure 6 is a plan view of the other ing of the vibrator roller.

Figure 7 is an end view of the collar.

Figure 8 is a section of the spring sup` porting sleeve.

Like numerals of reference indicate corresponding parts in the various figures.-

Referring to the drawings, 1() designates the frame of a t-ypical printing press of the kind to which this invention is applicable, having the extension 11 upon, which are mounted the fountain roller 12 and theink fountain 155.` 14 designates the ductor roller bear- 1927. serial No. 204,043.

suitably journalled in the rocker arms 15 which pivot on the frame, the rocker arms being suitably controlled to alternately retain the ductor in contactl with the fountain roller 12 and in a position to'be engaged by the inking plate 16A, or in some presses the ink distributor roller.

16'is a vibrator roller having the pivot ends 17 rotating in the bearings 18 and 19, these bearings being adapted to slide up and down in therrocker arms and therefore allow the vibrator to Contact with or be supported by the duotor 14. l

20 is a dog pivot-ally secured to each of the rocker arms at a point 21 and positioned and sized to engage the vibrator bearings and retain the vibrator out of contact with the ductor, 22 being pins secured to the rocker arms and determining the clockwise rotation of the dogs. The dogs are operated or used to keep the weight of the vibrator s from injuring the composition of the ductor when the machine is not operating.

One end of the spindle is finished with'a right-hand threaded portion 23 turning in the threaded bearing 18, so that the vibrator 16 is shifted axially one way or the other, according to the direction of rotation of the ductor 14; for insta-nce, as the inking plate 16A moves out or inthe direction of the arrow and engages the ductor, rotating the: ductorand vibrator in the direction of their respective arrows (Figure'2), the vibrator moves in the direction of the arrow y (Figurev 5) g as the inking plate travels back, the direction of rotation ofthe vibrator is reversed and it travels away from the bearing18. y

The bearing 19 has the stud portion 25 extending towards the centre of the roller 16, the lstud portion terminating in the reduced portion 26. 27 is a sleeve sized to fit and slide overthe stud portion 25; the sleeve has the enlargedor bell portion 28 iinished with a clutch-like portion 29 made `to engage with a corresponding clutch portion 30 of the collar 31 turning with the roller 1 6. 32 is an adjustable collar fitted over the stud portion of the bearing 19 and having the pin 33 rigid therewith. 34 is a helicalv spring fitted over the sleeve 27 and having the ends formed with hooks to engage with the pin 33 and the pin 34A which is rigid with the sleeve 27, as is best shown in Fig# to lit into the bell-shaped portion 28 of said sleeve, therefore releasably locking the sleeve upon the bearing 19.

Tension is imparted to the spring 34 by twisting or turning the collar 32 upon the bearing, the sleeve being locked against rotation by inserting a pin 37 through the sleeve to engage the shoulder 3G provided in the collar 35.

The clutch collar 31 is so adjusted upon the shaft that as soon as it begins to rotatey in lthe direction shown by the arrow in Figure 4, the clutch will operate to wind the spring and this is the relative position of the collar to the corresponding clutch ineinbcr Q9 immediately after the inking plate leaves the ductor roller.` It follows then that as soon as the inking plate leaves the ductor, the spring will be twisted or tensioned as well as compressed, the sleeve turning over the bearing and shifting with the roller away from tl'iebearing' 18 or towards the bearing 19.

In order to allow the clutch collar 31 to move freely towards the bearing 19, the collar is hollowed in as at 3S and sized to provide sufficient clearance to enclose the collar 35.

39 is a lug provided on each of the fountain bearings and situated and sized to engage the vibrator bearings and lift or space the vibrator from contact with the ductor when the rocker arms are lowered and before the ductor turns with said fountain roller.

In the operation of the invention, the rocker arms swing to lower the ductor until it engages with the fountain roller, the vibrator being lifted from the ductor by the engagement of the lugs 39 with the vibrator bearings 18 and 19. Thel ductor then receives a coat of ink on a fraction of its periphery. The rocker arms then lift until the ductor lies in the path of the inking plate 16A. As the inking plate moves out and engages the ductor 14, the vibrator 16 is rotated, turning the threaded end 23 of the roller 17 in its threaded bearing 18, shifting the roller and the clutch `collar 31 away from the bearing 19. The inliing plate then reverses its direction, reversing the direction of rotation of the ductor and vibrator and shifting the vibrator and shaft towards the bearing 19. As the inking plate clears the ductor, the clutch members engage and imparta spiral motion to the sleeve 27, therefore twisting and compressing said spring. The spring is thus twisted and compressed until the momentum of the ductor and vibrator is destroyed, the resiliency imparted to the spring acting to rotate the vibrator back to the position it was in at the moment the inking plate cleared the ductor. The rocker arms lower againV and a fresh portion or fraction of the ductor receives a coat of ink which is again applied to the inlring plate, as aforesaid.

What I claim is:

1. In a printing press, a movable ductor lowering to engage the fountain roller and rising into the path of the inking plate of said press, a vibrator adjacent said ductor and supported thereby, and moans of spacing said vibrator from said ductor when the latter is in contact with said fountain roller,

2. In a printing press, a fountain roller, an inking plate, a movable ductor lowering to engage said fountain roller and rising into the path of said inliing plate, rocker arms mounting said ductor, bearings loosely mounted in said rocker arms above said ductor and a vibrator rotating in said bearings and supported by said ductor, and lugs carried by said frame adapted to engage said bearings before said ductor is in engagement with said fountain roller.

3. In inlring means for printing presses, a ductor and a vibrator loosely mounted thereabove and rotating therewith, and means for releasably locking said vibrator in a spaced relation to said ductor.

4. In inlrino" means for printing presses, a ductor and a vibrator loosely mounted thereabove and rotating therewith, and a dog mechanism adapted to support said vibrator in a position away from said ductor.

v5. In a printing press, a movable ductor lowering to engage the'fountain roller and rising into the path of the inking plate of said press, a vibrator mounted above said ductor and supported thereby and shifting axiallyy -in alternate directions according to the direction of rotation, means of spacing said vibrator from said director when the latter is in enfragenient with said fountain roller, and adjustable resilient means of checking the rotation of said vibrator in one direction.

6. In a printing vpressfa fountain roller, an inking plate, a movable ductor lowering toengage said fountain roller and rising to be engaged by said inlring plate, a vibrator mounted adjacent said ductor and supported thereby and shifting axially in alternate directions according to its direction of rotation, means of spacing said vibrator from said ductor when the latter is in engagement with said fountain roller, and adjustable-resilient means adapted for destroying the momentum ofsaid ductor and vibrator immediately after said inking plate clears said ductor.

7. In a printing press, a fountain roller, an inking plate a movable ductor lowering to engage said fountain roller and rising to be engaged by said inliing plate, a vibrator mounted adjacent said ductor and supported thereby and shifting axially in alternate directions according to its direction of ro- Sii lua

tation, means of spacing said vibrator from said ductor When the latter is in engagement with said fountain roller, and adjustable resilient means adapted for gradually destroying the momentum of said ductor and vibrator immediately after the inling plate clears said ductor and rotating said ductor back to the position it is in When said plate clears said ductor as aforesaid.

8. In inking means for printing presses, a ductor adapted to be engaged by the inking plate of thepress, a vibrator mounted adjacent to said ductor and rotating therewith, and adjustable resilient means adapted for gradually destroying the momentum of said ductor and vibrator immediately after the inking plate clears said ductor and rotating said ductor back tothe position it is in when said plate clears said ductor as aforesaid.

9. In inking means for printing presses, a ductor adapted to be engaged by the inking plate of the press, a lvibrator mounted above said ductor and rotating therewith, adjustable resilient means adapted for gradually destroying the momentum of said ductor and vibrator-*immediately after the inking plate clears said ductor and rotating said ductor back to the position it is in when said plate clears said ductor as aforesaid, and a clutch mechanism between said vibrator and resilient means.

10. In inking means for printing presses, a ductor roller adapted to be engaged by the inking porting said ductor, a pair of bearings slidably mounted in said frame above said ductor, one of said bearings being screW-.

plate of said press, a frame sup threaded, the other of said bearings hav-V ing a stud end, a vibrator roller havingone end threaded to engage with said threaded bearing, a clutch member turning With said vibrator, a sleeve slidably mounted on said stud end of one of said bearings and rotatable to a limited extent, said sleeve hav ing a clutch portion adapted to co-act with said clutch member, and a spring secured at the ends to the adjacent bearing and the sleeve, respectively.

Signed at the city day of June, 1927.

FRANK VILLIAM MAN TON.

of Toronto, this 15th 

